CVE-2014-3817

Juniper Junos 11.4 before 11.4R12, 12.1X44 before 12.1X44-D32, 12.1X45 before 12.1X45-D25, 12.1X46 before 12.1X46-D20, and 12.1X47 before 12.1X47-D10 on SRX Series devices, when NAT protocol translation from IPv4 to IPv6 is enabled, allows remote attackers to cause a denial of service (flowd hang or crash) via a crafted packet.

Published: 2014-07-11 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-3817 is rated Moderate Risk (56.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.83%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2014-3817

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-19 0.86% 0.83% -0.03%
2 2025-03-17 0.55% 0.86% +0.31%
3 2024-12-17 — 0.55% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-3817

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 6.9 [email protected]

Weakness enumeration for CVE-2014-3817

Affected software / configurations for CVE-2014-3817

Vendor Product Version Raw CPE
juniper junos 11.4 cpe:2.3:o:juniper:junos:11.4:*:*:*:*:*:*:*
juniper junos 12.1x44 cpe:2.3:o:juniper:junos:12.1x44:*:*:*:*:*:*:*
juniper junos 12.1x45 cpe:2.3:o:juniper:junos:12.1x45:*:*:*:*:*:*:*
juniper junos 12.1x46 cpe:2.3:o:juniper:junos:12.1x46:*:*:*:*:*:*:*
juniper junos 12.1x47 cpe:2.3:o:juniper:junos:12.1x47:*:*:*:*:*:*:*
juniper srx100 — cpe:2.3:h:juniper:srx100:-:*:*:*:*:*:*:*
juniper srx110 — cpe:2.3:h:juniper:srx110:-:*:*:*:*:*:*:*
juniper srx1400 — cpe:2.3:h:juniper:srx1400:-:*:*:*:*:*:*:*
juniper srx210 — cpe:2.3:h:juniper:srx210:-:*:*:*:*:*:*:*
juniper srx220 — cpe:2.3:h:juniper:srx220:-:*:*:*:*:*:*:*
juniper srx240 — cpe:2.3:h:juniper:srx240:-:*:*:*:*:*:*:*
juniper srx3400 — cpe:2.3:h:juniper:srx3400:-:*:*:*:*:*:*:*
juniper srx3600 — cpe:2.3:h:juniper:srx3600:-:*:*:*:*:*:*:*
juniper srx550 — cpe:2.3:h:juniper:srx550:-:*:*:*:*:*:*:*
juniper srx5600 — cpe:2.3:h:juniper:srx5600:-:*:*:*:*:*:*:*
juniper srx5800 — cpe:2.3:h:juniper:srx5800:-:*:*:*:*:*:*:*
juniper srx650 — cpe:2.3:h:juniper:srx650:-:*:*:*:*:*:*:*

References for CVE-2014-3817

cvelogic Threat Intelligence